package com.lqg.bookLibrary.config;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.JsonTypeInfo;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.jsontype.impl.LaissezFaireSubTypeValidator;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import java.net.UnknownHostException;

/**
 * redis配置
 *
 */
@Configuration
public class RedisConfig
{
    @Bean
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory)
            throws UnknownHostException {
        RedisTemplate<String,Object> template = new RedisTemplate<>();
        template.setConnectionFactory(redisConnectionFactory);

        //Json序列化配置
        Jackson2JsonRedisSerializer jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer(Object.class);
        ObjectMapper om = new ObjectMapper();
        om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        om.activateDefaultTyping(LaissezFaireSubTypeValidator.instance, ObjectMapper.DefaultTyping.NON_FINAL, JsonTypeInfo.As.PROPERTY);
        jackson2JsonRedisSerializer.setObjectMapper(om);
        //String的序列化配置
        StringRedisSerializer stringRedisSerializer = new StringRedisSerializer();


        template.setKeySerializer(stringRedisSerializer);    // key采用String的序列化方式
        template.setHashKeySerializer(stringRedisSerializer);// hash采用String的序列化方式

        template.setValueSerializer(jackson2JsonRedisSerializer);  // value采用jackson的序列化方式
        template.setHashKeySerializer(jackson2JsonRedisSerializer);      // hash采用jackson的序列化方式

        template.afterPropertiesSet();

        return template;
    }

}